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CrownView Lenses

CrownView Lenses

 

First glass progressive free-form lens in the USA.

CrownView & CrownView SV are Premium Digital Free-Form Progressive & Single Vision Glass Lenses

 

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                CrownView_Logo_B.jpg        
Luzerne Optical Releases
First Premium Glass
Free-Form Lenses in the USA
WILKES-BARRE, PA, September 30, 2013

 

Luzerne Optical Laboratories, Ltd., the largest single location, family-owned and operated independent wholesale optical laboratory in the United States, is proud to announce the release of its CrownView™ lenses, the first premium glass progressive and single vision free-form lenses in the United States.

 

CrownView has a soft progressive design with smooth power changes for effortless adaptation and increased patient comfort.  CrownView progressive lenses offer the lowest minimum fitting height in glass progressive lenses and can accommodate smaller frames to decrease weight.  They offer larger diameter progressive lens blanks for greater cut-out availability.  CrownView is also available in an aspheric/atoric single vision design.

 

CrownView lenses feature the largest selection of glass materials and colors available for progressive lenses in the marketplace. 

  • Clear/White: 1.523 Crown, 1.70 and 1.60.
  • Photochromic:  Photogray Extra, Photobrown Extra, Photogray Thin & Dark™, Autumn Gold™
  • Fixed Tints:  G-15, Grey 3, Grey 1 & 2, Green 2 & 3, Rose 1 & 2, and Canary Yellow
  • Polarized:  Autumn Gold, Grey C & Brown
  • Occupational:  Ace® Amethyst Contrast Enhancement filter glass for sodium flare protection
  • These lenses are also available with Luzerne Optical’s in-house AR & mirror treatments: Zeiss® Super ET® & Zeiss Gold ET®, Zeiss Cool Blue, Cool Silver & Cool Gold Mirrors.   Lenses are available Uncut or Edged & Mounted. 

 

 
 

First glass progressive free-form lens in the USA

Soft progressive design with smooth power changes for effortless adaptation and increased patient comfort.

28.jpgECP’s can differentiate themselves and gain a competitive advantage with premium glass lenses. Now there is a high technology digital option for patients who prefer glass lenses. The benefits of glass lenses include the following: Clear optical clarity for better vision, built-in scratch resistance that lasts for the life of the lenses, very stable base material for AR & Mirror treatments, more scratch-resistant in industrial environments, impreg­nated glass color is very stable and never diminishes over time or due to exposure to sun or heat, photochro-mic performance never wears out and is impervious to oils and solvents.


These lenses are great for sunglass wearers who appreciate the benefits of glass lenses found in the world’s best selling sunglasses. The proof of glass’s unsurpassed excellence is also found in its use in top quality tele­scopes and microscopes.


CrownView Progressive lenses offer the lowest minimum fitting height in glass progressive lenses and can accommodate smaller frames to decrease weight. They offer larger diameter progressives lens blanks for greater cut-out availability.


CrownView lenses feature the largest selection of glass materials/colors available for progressive lenses in the marketplace. Some special colors available include occupational filter glass for sodium flare protection and an extreme blue blocker canary yellow which blocks 100% of all light up to 450nm. CrownView is also available in an aspheric/atoric single vision design.

 

 
 

CrownView & CrownView SV are Premium Digital Free-Form Progressive & Single Vision Glass Lenses

  • Compensated Rx
  • Add range 0.50 to 3.50D in .25 diopter steps.
  • Total prism: 4D in each lens for horizontal, vertical or
    compound prism.
  • Fixed corridor length selection based on frame shape
    and patients fitting details
  • Adjustable progressive design based on RX, frame size
    and shape. Minimum fitting height 13mm
  • Patient personalization available by specifying vertex
    distance, pantoscopic angle, wrap angle and corridor length.
  • Available with Luzerne’s In-House AR & Mirror Treatments: Zeiss® Super ET® & Zeiss Gold ET®, Zeiss Cool Blue, Cool Silver & Cool Gold Mirrors
 
 

Materials:

  • CLEAR/ WHITE: 1.70 Hi-Index Clear/ White, 1.60 Hi-Index Clear/ White
  • PHOTOCHROMIC: Photogray Extra, Photobrown Extra, Photogray Thin & Dark, Autumn Gold Photochromic, 1.60 Hi-Index Photogray Extra, 1.60 Hi-Index Photobrown Extra
  • FIXED TINTS: G-15, Grey 3, Grey 1 & 2, Green 2 & 3, Rose 1 & 2, Canary Yellow
  • POLARIZED: Autumn GoldTM Polarized Photochromic, Grey C & Brown C Polarized
  • OCCUPATIONAL: ACE® (Amethyst Contrast Enhancement, filter glass for sodium flare protection)

 

* Available Uncut or Edged & Mounted.

 

 
 

                CrownView_Logo_B.jpg     

   
CrownView progressive lenses are a soft design with smooth power changes for effortless adaptation and increased patient comfort.  CrownView lenses are a 100% digitally surfaced full back side progressive design.  

 

Soft & Smooth Design - Gradual rise and fall of the mean power as the eye travels across the lower horizontal portion of the lens.  This smoothing of the mean power has the following benefits.

  • Provides a premium progressive lens design with superior viewing comfort.
  • Allows for natural eye movement.
  • Provide sharp viewing in any direction.
  • Minimizes the swim effect experienced with traditional progressive designs.
  • Minimal patient adaption times resulting in greater patient satisfaction.

 

Vision Track Engineering - This is employed during the Rx calculation phase to modify the lens surface geometry for the purpose of reducing oblique astigmatism.  The specialized Rx calculation software incorporates ray tracing over the entire lens surface to correct for viewing errors.   The amount of oblique astigmatism experienced will depend on the prescription, how far away from the lens center the patient is viewing, and whether the lens curve is flat or steep.  Generally, the flatter the lens, the more oblique astigmatism will be experienced.  Oblique astigmatism will cause the patient to see less clearly when viewing off center. Vision track technology has the following benefits.

  • More consistent optical performance over a wider range of prescription powers.
  • Wider viewing areas for hyperopes.
  • Improved distance area for myopes.
  • Improved image quality in the principal viewing areas.

 

CorridorLength
Min. Recommended Fitting Height
12mm
13mm
13mm
15mm
14mm
16mm
15mm
17mm
16mm
18mm
17mm
19mm
18mm
20mm

 

CrownView single vision free-form design combines free-form back surface aspheric/atoric design with a spherical front surface to provide single vision lens wearers with an optimized optical correction.

 

Total prism:  4D in each lens for horizontal, vertical or compound prism

 

 

Lab inquires welcome, Lab to Lab Program available. Email: vision@luzerneoptical.com

 

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